1 definition by Scotty Wilson

Top Definition
The extra amount of skin (fat) that droops over the back and sometimes sides of girls bras. Usually happens when they are too fat or the bra is too small.
"Man did you see that new girl in math? That Hollister shirt so showed off her fatback!"
by Scotty Wilson March 24, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.